Answer:
I have a foot but no leg. What am I?
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love and tear it down. I can make a smile, but more often bring a frown. What am I?
Lighter than what I am made of. More of me is hidden than seen. What am I?
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
I walk on 4 legs in the morning 2 legs at noon and 3 legs at night.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?